Improvement in devices for trimming cylindrical brushes



. waited giedre @met @bblica ARTHUR Gr. RISLEY, OF UTIGA, NEWYORK.`

Letters Patent No. 110,073, dated December 13, 1870.

The Schedule referred to in these Letters Patent and making part of the same.

I, ARTHUR G. RISLEY, of the city of Utica, in the State of New York, have invented a certain device to be attached to a pair of Shears in order to facilitate the Trimming of Cylindrical Brushes, designed to .be used on the ends of ram-rods for sponging out guns, and for other uses.

The device yand its operation are pretty clearly shown in Figure l of the annexed drawing.

It consists in an attachment 'which is screwed to the lower blade BV of the shears through the bascplate A.

From this plate are projected the two studs eand f.

'lo the back of the stud e is placed the short crossbar h, held'to the stud by'a screw, having a wrist, on

Ywhich the bar moves loosely, so that the upper'end of the bar, that holds the center n, may be adjusted to the required diameter of the brush.

When so adjusted the bar It is fixed by the setscrews k 7c.

The wholcapparatus may also be raised or lowered by means of the'elongated holes 1' in the base-plate, through which the attachment is screwed to the shears.

The center n, therefore, when thus adj usted, has its proper distance from the cutting-blades ot the shears, and is stationary during the operation.

But the center o, holding the opposite end of the brush, is movable, and goes with vthe upper end of the flexible bar 'm to and from the eut of the shears.

The lever, moving loosely on the Wristpiu I, allows the brush i to be drawn away from the shears p as the brushis turned, and then carried up to them again for another clip. This manipulation of moving and'turning the brush is. performed by the left-hand thumb and finger, as shown in the drawing, while the shears are operated bythe right hand, as is also shown.

To prevent the vibrating end of the brush coming too near the cut of the shea-rs, and to stop it at the right point for cutting, the stop-screw S is inserted in the lever m, which, protruding in the rear, meets the blade of the shears at the exact` point of the movement for this'pnrpose.

v The spiral spring T, surrounding'he wrist-pin L, allows a lateral-movement to the vibrating lever m, to admit of the alternate insert-ion and removal ot' the brush from its centers. p

The brush is made in the usual manner preparatory to the trimming, and is shown in Figure 3.

Figure 2 shows the nisbed brush, and, in connection with the center-pin J, shows au alternative and reverse mode of constructing the centers.

J answers to the center o in Eg. 1, and is simply a reversal of the male and female parts of the connection, which is necessary when the spindle u of the brush is made to screw intoinstead of over the end of the ram-rod.

Having thus described my invention, I claim as new and desire to secure by Letters Patentv The device I have described, consisting ot the base-plate A, the stationary center u, and the movable center o, with its iiexible bar on, for holding the brush, in combination with the shears, als described, the whole heilig connected, combined, and operating substantially as herein set forth. v

lVitnesses: ARTHUR G. RISLEY.

vWILLIAM BAKER,

DEXTER Glnmronu. 

